#9C5863

CSS

:root {
  --cinnapink: #9c5863;
  --cinnapink-rgb: 156 88 99;
  --cinnapink-oklch: oklch(0.542 0.09 10.1);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(350 28% 48%);
  border-color: oklch(0.542 0.09 10.1);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9c5863;
  --color-cinnapink-50: #ffebee;
  --color-cinnapink-100: #ffdce0;
  --color-cinnapink-200: #f8c5ca;
  --color-cinnapink-300: #e1a5ab;
  --color-cinnapink-400: #cd8892;
  --color-cinnapink-500: #b96c78;
  --color-cinnapink-600: #9d5c66;
  --color-cinnapink-700: #7e4951;
  --color-cinnapink-800: #5d353c;
  --color-cinnapink-900: #412429;
  --color-cinnapink-950: #2a1317;
}

SCSS

$cinnapink: #9c5863;
$cinnapink-rgb: 156, 88, 99;
$cinnapink-light: mix(#fff, $cinnapink, 20%);
$cinnapink-dark: mix(#000, $cinnapink, 20%);

.element {
  color: $cinnapink;
  box-shadow: 0 0 0 2px rgba($cinnapink, 0.35);
}